Common and Preferred Stock (Details)	12 Months Ended
	Sep. 30, 2016 class $ / shares	Oct. 02, 2015 $ / shares
Class Of Stock Disclosures [Abstract]
Number of capital stock classes | class	2
Common stock, par value (in dollars per share)	$ 1.00	$ 1.00
Preferred stock, par value (in dollars per share)	$ 1.00	$ 1.00